51021005

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 75841920

約数和(自身を除く): 24820915

約数列:

[1, 5, 7, 29, 35, 43, 49, 145, 167, 203, 215, 245, 301, 835, 1015, 1169, 1247, 1421, 1505, 2107, 4843, 5845, 6235, 7105, 7181, 8183, 8729, 10535, 24215, 33901, 35905, 40915, 43645, 50267, 61103, 169505, 208249, 237307, 251335, 305515, 351869, 1041245, 1186535, 1457743, 1759345, 7288715, 10204201, 51021005]

約数ペア:

[(1, 51021005), (5, 10204201), (7, 7288715), (29, 1759345), (35, 1457743), (43, 1186535), (49, 1041245), (145, 351869), (167, 305515), (203, 251335), (215, 237307), (245, 208249), (301, 169505), (835, 61103), (1015, 50267), (1169, 43645), (1247, 40915), (1421, 35905), (1505, 33901), (2107, 24215), (4843, 10535), (5845, 8729), (6235, 8183), (7105, 7181)]